ppc440ep Applied Micro Circuits Corporation (AMCC), ppc440ep Datasheet - Page 67
ppc440ep
Manufacturer Part Number
ppc440ep
Description
Powerpc 440ep Embedded Processor
Manufacturer
Applied Micro Circuits Corporation (AMCC)
Datasheet
1.PPC440EP.pdf
(87 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ppc440ep-3BB400C
Manufacturer:
AMCC
Quantity:
210
Company:
Part Number:
ppc440ep-3BC400C
Manufacturer:
AMCC
Quantity:
892
Company:
Part Number:
ppc440ep-3JC333C
Manufacturer:
AMCC
Quantity:
450
Company:
Part Number:
ppc440ep-3JC533C
Manufacturer:
FSC
Quantity:
21 400
Table 17. Clocking Specifications
Figure 5. Timing Waveform
AMCC Proprietary
440EP – PPC440EP Embedded Processor
SysClk Input
Note: Input slew rate
CPU Clock
MemClkOut and PLB Clock
PLL VCO
TrcClk
MAL Clock
Note: SysClk is a 2.5V/3.3V tolerant receiver. Slew rate should be measured between 0.7V and 1.7V.
Symbol
T
T
T
T
F
T
F
F
T
F
T
F
F
T
CS
CH
CL
CH
C
C
C
C
C
C
C
C
C
C
Frequency
Period
Edge stability (cycle-to-cycle jitter)
High time
Low time
Frequency
Frequency
Period
High time
Frequency
Period
Frequency
Frequency
Period
≥
1V/ns
Parameter
T
CH
T
C
40% of nominal period
40% of nominal period
45% of nominal period
CPU F
0.7496
33.33
Min
333
100
600
7.5
15
12
45
–
T
CL
C
/4
Revision 1.29 – May 07, 2008
60% of nominal period
60% of nominal period
55% of nominal period
Data Sheet
CPU F
133.33
66.66
±0.15
83.33
1334
Max
1.66
22.2
667
30
10
C
/4
1.7V (1.8 V)
1.25V (1.5V)
0.7V (0.8V)
Units
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
67